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Involvement of 22q12 in a neurofibrosarcoma in neurofibromatosis type 1

, : Involvement of 22q12 in a neurofibrosarcoma in neurofibromatosis type 1. Cancer Genetics & Cytogenetics. 66(1): 28-32

We describe the cytogenetic and molecular genetic findings in a neurofibrosarcoma arising in a patient affected by neurofibromatosis type 1. Multiple chromosomal rearrangements were found but only a few of them were identified as clonal abnormalities, including a deletion of chromosome 22, which at the molecular level proved to be interstitial, mainly involving the 22q12 region. Loss of heterozygosity for markers D22S32 and MB was observed. These findings are in agreement with previous data which suggest a possible involvement of a gene located at 22q11-q13.1 during the neoplastic development of some neurofibromatosis type 1-associated tumors.


PMID: 8467471

DOI: 10.1016/0165-4608(93)90144-b

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